PLASMIDS IN LISTERIA-MONOCYTOGENES AND OTHER LISTERIA SPECIES

被引:14
作者
PETERKIN, PI [1 ]
GARDINER, MA [1 ]
MALIK, N [1 ]
IDZIAK, ES [1 ]
机构
[1] MCGILL UNIV,MACDONALD COLL,FAC AGR,DEPT MICROBIOL,ST ANNE BELLEVUE H9X 1C0,QUEBEC,CANADA
关键词
PLASMID; LISTERIA SPP; LISTERIA-MONOCYTOGENES;
D O I
10.1139/m92-027
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
One hundred and twenty-two food, clinical, and veterinary strains of Listeria monocytogenes were examined for the presence of plasmids. Twenty-five (20%) contained plasmids, which varied from 1.3 to 66 MDa in size. Of 10 strains of other Listeria species (L. innocua, L. ivanovii, L. welshimeri, L. seeligeri, L. grayi, and L. murrayi) examined, seven (70%) contained plasmids, varying from 38 to 53 MDa. No strains with multiple plasmids were found. Plasmids of identical size were isolated from related strains in some, although not all, cases. The presence of a plasmid in a strain was not related to phenotypic characters of known extrachromosomal inheritance.
引用
收藏
页码:161 / 164
页数:4
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